I'd like to start by introducing my self, my name is brad and I recently picked up a 94 diamond white 5 speed.sc300 that's 1j swapped. I've built and delt with many 3sgte's, various RB's and even a few EJ Subaru motors but am completely new to the JZ world. Picked th car up for a screaming deal and am just trying to sort a few things out. Mods are as follows, aero motive fuel pump and afpr, BC 264's, greddy adjustable cam gears and timing belt, hks multi layer hg, Some type of 4" core fmic with 3" piping, full complete Phr gt67 kit with tial 44. My issue is the car is still on the factory 380's and boost is set to a moderate 12-13 psi with a manual controller and has absolutely zero type of engine management. Seeing how there isn't a wideband in it, I was curious to see what your opinions were of the level of safety at the moment, I'm figuring these 380's are being close to maxed. I've got a few sets of 440s from previous mr2 builds laying around as well as a set of j-spec 2jz 440s. I've always run an safc in most of my builds with great resaults and was thinking it may be sufficient for my power goals of a 400whp daily driven street car as for the 440s I'm not so sure. Thanks to all in advance.
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Yeah that's what I was thinking there is a ton of money dumped in this thing but yet no injectors or wideband. Traded the guy a rb20 swapped s14 straight up lol the 240 was just well presented , had less than 4k in it total including the car so passin this up wasn't an option. Kid had no clue what he had which is what really kind of scares me, seeing how this is the only car I've bought already done. What kind of a/f's should I be aiming for with this thing ? Mid to high elevens?